import type { PublicEnvelope, PublicEnvelopeText, ResolvedPublicEnvelopeSchema } from './types.js';
/** Owner-supplied input — the subset of {@link PublicEnvelope} the owner can set. */
export interface SetPublicEnvelopeInput {
    readonly name?: PublicEnvelopeText;
    readonly description?: PublicEnvelopeText;
    readonly icon?: string;
    readonly defaultLocale?: string;
}
/**
 * Validate an owner-supplied envelope input against the developer's
 * resolved schema. Throws `ValidationError` on the first violation;
 * returns void on success.
 *
 * The validator is deliberately strict: every fail mode is a hard
 * error rather than a silent drop, so the owner finds out immediately
 * which field they oversized rather than discovering a truncated
 * label months later.
 */
export declare function validatePublicEnvelopeInput(input: SetPublicEnvelopeInput, schema: ResolvedPublicEnvelopeSchema): void;
/**
 * Lightweight runtime predicate — used by the bundle header
 * validator to recognise a public envelope without requiring it.
 */
export declare function isPublicEnvelope(x: unknown): x is PublicEnvelope;